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#!/usr/bin/env python

# Load ESDS
import sys
sys.path.append("../../")
import esds
import numpy as np

########## Scenario ##########
# Notations:
#   - Remaining communication duration (last communication ends minus current simulated time) = C
#   - Last communication duration (previous row) = U
#   - Last remaining data size (previous row) = D
#   - Current remaining data (current row) = R
#   - Initial data size (first row) = I
#   - Bandwidth = BW
#   - Latency = L
# |-------------------+------------+----------------+----------------------+--------------------------+-------------------------|
# | Simulated time(s) | Latency(s) | Bandwidth(bps) | Remaining data (bit) | Communcation duration(s) | Communcation ends at(s) |
# |-------------------+------------+----------------+----------------------+--------------------------+-------------------------|
# |                 0 |          0 |              8 | 8                    | 1                        |                       1 |
# |               0.5 |          0 |             16 | C/U*D = 4            | R/I * L + R/BW = 0.25    |                    0.75 |
# |              0.75 |          0 |             16 |                      |                          |                         |
# |-------------------+------------+----------------+----------------------+--------------------------+-------------------------|
##############################

B=np.full((2,2),8)
L=np.full((2,2),0)
s=esds.Simulator(B,L)

s.create_node("sender")
s.create_node("receiver")

def callback(simulator):
    simulator.log("Network update!")
    simulator.update_network(simulator.B*2,simulator.L)

s.run(breakpoints_every=1/2,breakpoint_callback=callback)